My guess is that it has to do with Timett son of Timett seizing the Eyrie when the Knights of the Vale leave for the North, and the irony that he may have Arryn blood in him (and possibly dragonrider blood too, if the legends are correct).
Just a backup in advance of the detumblring
My guess is that it has to do with Timett son of Timett seizing the Eyrie when the Knights of the Vale leave for the North, and the irony that he may have Arryn blood in him (and possibly dragonrider blood too, if the legends are correct).